Bi-County Water Tunnel

Laurel, Maryland

The Washington Suburban Sanitary Commission needed to transmit clean drinking water from the Potomac Water Filtration Plant to Montgomery and Prince George’s counties. With only three shafts to serve a length...

North MacGregor Storm Sewer Relief Tunnel

Hanlan Feedermain & Mississauga City Center Water Main Contract No. 3

Ontario, Canada

The Hanlan Feedermain and Mississauga City Centre Watermain is the largest and most extensive infrastructure project completed by the Region of Peel. Population growth in both Hanlan and Mississauga necessitated the...

Bi-County Water Tunnel

Laurel, Maryland

The Washington Suburban Sanitary Commission needed to transmit clean drinking water from the Potomac Water Filtration Plant to Montgomery and Prince George’s counties. With only three shafts to serve a length...